Outburst flood simulations of various dam failure scenarios from Tsho Rolpa glacial lake, Nepal, 2020
This dataset contains maximum water depth and maximum water velocity for 12 different Glacial Lake outburst floods (GLOFs) scenarios of the Tsho Rolpa Lake, Nepal. Also included is the water depth of dam breach flow and discharge of dam breach flow under each scenario. The GLOFs scenarios were created using a simple dam breach model. A high-performance hydrodynamic model was then used to simulate the resulting flood hydrodynamics. Full details about this dataset can be found at https://doi.org/10.5285/f4292d99-de93-4a28-a821-b2a6a826df4c
dataset
https://catalogue.ceh.ac.uk/datastore/eidchub/f4292d99-de93-4a28-a821-b2a6a826df4c
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function: download
https://data-package.ceh.ac.uk/sd/f4292d99-de93-4a28-a821-b2a6a826df4c.zip
name: Supporting information
description: Supporting information available to assist in re-use of this dataset
function: information
https://catalogue.ceh.ac.uk/id/f4292d99-de93-4a28-a821-b2a6a826df4c
doi:
eng
inlandWaters
Hydrography
publication
2008-06-01
Glacial lake outburst floods
Hydrodynamic flood modelling
86.1
86.29
27.51
27.3
2020-03-31
2020-03-31
publication
2021-10-07
A commonly used empirical breach model was adopted to represent the dam breach formation process caused by overtopping. The breach was assumed to start from a small channel formed at the dam crest (initial breach) and grows into a trapezoidal shape with a side-slope of 1:1 during the time of failure. The model further assumes an initial breach depth and a final breach depth, which can be quantified and prescribed according to current dam conditions. A fully hydrodynamic model based on the 2-D depth-averaged shallow water equations (SWEs) was adopted to predict the flooding processes driven by the flow out of the breach of the moraine dam.
publication
2010-12-08
Comma-separated values (CSV)
If you reuse this data, you should cite: Chen, H., Liang, Q., Xiao, W. (2021). Outburst flood simulations of various dam failure scenarios from Tsho Rolpa glacial lake, Nepal, 2020. NERC EDS Environmental Information Data Centre https://doi.org/10.5285/f4292d99-de93-4a28-a821-b2a6a826df4c
Loughborough University
author
Loughborough University
author
Newcastle University
author
NERC EDS Environmental Information Data Centre
custodian
NERC EDS Environmental Information Data Centre
publisher
Loughborough University
owner
Newcastle University
pointOfContact
Environmental Information Data Centre
Lancaster Environment Centre, Library Avenue, Bailrigg
Lancaster
LA1 4AP
UK
pointOfContact
2021-10-08T10:45:43